Dna Barcoding of Chlorarachniophytes Using Nucleomorph Its Sequences1
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چکیده
. Park, M. H., Sim, C. J., Baek, J. & Min, G. S. 2007. Identification of genes suitable for DNA barcoding of morphologically indistinguishable Korean Halichondriidae sponges. Mol. Cells 23:
منابع مشابه
Morphological Diversity between Culture Strains of a Chlorarachniophyte, Lotharella globosa
Chlorarachniophytes are marine unicellular algae that possess secondary plastids of green algal origin. Although chlorarachniophytes are a small group (the phylum of Chlorarachniophyta contains 14 species in 8 genera), they have variable and complex life cycles that include amoeboid, coccoid, and/or flagellate cells. The majority of chlorarachniophytes possess two or more cell types in their li...
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Many algal groups acquired complex plastids by the uptake of green and red algae through multiple secondary endosymbioses. As a result of gene loss and transfer during the endosymbiotic processes, algal endosymbiont nuclei disappeared in most cases. However, chlorarachniophytes and cryptophytes still possess a relict nucleus, so-called the nucleomorph, of the green and red algal endosymbiont, r...
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Cryptomonads are ubiquitous aquatic unicellular eukaryotes that acquired photosynthesis through the uptake and retention of a red algal endosymbiont. The nuclear genome of the red alga persists in a highly reduced form termed a nucleomorph. The nucleomorph genome of the model cryptomonad Guillardia theta has been completely sequenced and is a mere 551 kilobases (kb) in size, spread over three c...
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Nucleomorphs are the relic nuclei of algal endosymbionts that became permanent fixtures inside nonphotosynthetic eukaryotic host cells. These unusual organelles exist in only 2 lineages, the cryptophytes, which possess nucleomorphs and plastids (chloroplasts) derived from the uptake of a red algal endosymbiont, and the chlorarachniophytes, which harbor green algal derived nucleomorphs and plast...
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Cryptomonads and chlorarachniophytes acquired photosynthesis independently by engulfing and retaining eukaryotic algal cells. The nucleus of the engulfed cells (known as a nucleomorph) is much reduced and encodes only a handful of the numerous essential plastid proteins normally encoded by the nucleus of chloroplast-containing organisms. In cryptomonads and chlorarachniophytes these proteins ar...
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تاریخ انتشار 2010